CellLayout.java revision f12c75cb48f87955600c56ccbe0aac84b0c11b28
131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/* 231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * you may not use this file except in compliance with the License. 631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * You may obtain a copy of the License at 731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 1031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 1131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 1231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * See the License for the specific language governing permissions and 1431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * limitations under the License. 1531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17a5902524d4403885eb4c50360bf3465c6be796efJoe Onoratopackage com.android.launcher2; 1831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 193c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurkaimport com.android.launcher.R; 20aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.animation.Animator; 224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.animation.AnimatorListenerAdapter; 2318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.animation.AnimatorSet; 2418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.animation.ObjectAnimator; 2500397b1d9233409d9d6b233b077ae12d09768ce8Chet Haaseimport android.animation.TimeInterpolator; 26de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator; 27de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator.AnimatorUpdateListener; 2831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2979e56263dbcbe85dc434df372bc6e6730aa13477Joe Onoratoimport android.content.res.Resources; 30aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.TypedArray; 314be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Bitmap; 32aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.Canvas; 334be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Paint; 34de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.Point; 35de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.PointF; 3631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 3731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.RectF; 3818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.graphics.Region; 396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport android.graphics.drawable.Drawable; 4031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 414be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.util.Log; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ContextMenu; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewDebug; 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 47aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.Animation; 48150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chungimport android.view.animation.DecelerateInterpolator; 49aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.LayoutAnimationController; 5031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 513c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurkaimport java.util.Arrays; 528e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy 538c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurkapublic class CellLayout extends ViewGroup { 54aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 55aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 5631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 5731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 58aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 59aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mLeftPadding; 60aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mRightPadding; 61aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mTopPadding; 62aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mBottomPadding; 63aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 64d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 65d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 6631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 72aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 73de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // These are temporary variables to prevent having to allocate a new object just to 74de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mTmpCellXY = new int[2]; 76de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final int[] mTmpPoint = new int[2]; 77de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final PointF mTmpPointF = new PointF(); 786569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 7931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 8031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 81dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 82dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 835f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 841b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen private float mBackgroundAlphaMultiplier = 1.0f; 85f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 8633945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mNormalBackground; 8733945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mActiveBackground; 8833945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mActiveGlowBackground; 8933945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mNormalBackgroundMini; 9033945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mNormalGlowBackgroundMini; 9133945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mActiveBackgroundMini; 9233945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mActiveGlowBackgroundMini; 9318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mBackgroundRect; 9433945b21544bc98381df17726a3537c292d8c985Michael Jurka private Rect mGlowBackgroundRect; 9533945b21544bc98381df17726a3537c292d8c985Michael Jurka private float mGlowBackgroundScale; 9633945b21544bc98381df17726a3537c292d8c985Michael Jurka private float mGlowBackgroundAlpha; 9733945b21544bc98381df17726a3537c292d8c985Michael Jurka 9833945b21544bc98381df17726a3537c292d8c985Michael Jurka private boolean mAcceptsDrops = false; 9933945b21544bc98381df17726a3537c292d8c985Michael Jurka // If we're actively dragging something over this screen, mIsDragOverlapping is true 10033945b21544bc98381df17726a3537c292d8c985Michael Jurka private boolean mIsDragOverlapping = false; 10133945b21544bc98381df17726a3537c292d8c985Michael Jurka private boolean mIsDragOccuring = false; 10233945b21544bc98381df17726a3537c292d8c985Michael Jurka private boolean mIsDefaultDropTarget = false; 103de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final Point mDragCenter = new Point(); 1046569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 105150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // These arrays are used to implement the drag visualization on x-large screens. 1064be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // They are used as circular arrays, indexed by mDragOutlineCurrent. 1074be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private Point[] mDragOutlines = new Point[8]; 108472b281d5cb4f5660df981a6c912266b9f5703feChet Haase private float[] mDragOutlineAlphas = new float[mDragOutlines.length]; 1094be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private InterruptibleInOutAnimator[] mDragOutlineAnims = 1104be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato new InterruptibleInOutAnimator[mDragOutlines.length]; 111150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 112150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // Used as an index into the above 3 arrays; indicates which is the most current value. 1134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private int mDragOutlineCurrent = 0; 1148e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy private final Paint mDragOutlinePaint = new Paint(); 115150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 116de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private Drawable mCrosshairsDrawable = null; 11749250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy private InterruptibleInOutAnimator mCrosshairsAnimator = null; 118de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private float mCrosshairsVisibility = 0.0f; 119de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 1216569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1234be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private boolean mDragging = false; 1244be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 125ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy private TimeInterpolator mEaseOutInterpolator; 1268c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka private CellLayoutChildren mChildren; 127ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 12831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 12931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 142a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 14331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 14631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 147ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mWidthGap = a.getDimensionPixelSize(R.styleable.CellLayout_widthGap, -1); 148ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mHeightGap = a.getDimensionPixelSize(R.styleable.CellLayout_heightGap, -1); 149aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 150d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mLeftPadding = 151d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisStartPadding, 10); 152d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mRightPadding = 153d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisEndPadding, 10); 154d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mTopPadding = 155d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisStartPadding, 10); 156d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mBottomPadding = 157d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisEndPadding, 10); 158aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 159d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 160d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 167046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final Resources res = getResources(); 168de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 169046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy if (LauncherApplication.isScreenXLarge()) { 17033945b21544bc98381df17726a3537c292d8c985Michael Jurka mNormalBackground = res.getDrawable(R.drawable.homescreen_large_blue); 17133945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveBackground = res.getDrawable(R.drawable.homescreen_large_green); 17233945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveGlowBackground = res.getDrawable(R.drawable.homescreen_large_green_strong); 17333945b21544bc98381df17726a3537c292d8c985Michael Jurka 17433945b21544bc98381df17726a3537c292d8c985Michael Jurka mNormalBackgroundMini = res.getDrawable(R.drawable.homescreen_small_blue); 17533945b21544bc98381df17726a3537c292d8c985Michael Jurka mNormalGlowBackgroundMini = res.getDrawable(R.drawable.homescreen_small_blue_strong); 17633945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveBackgroundMini = res.getDrawable(R.drawable.homescreen_small_green); 17733945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveGlowBackgroundMini = res.getDrawable(R.drawable.homescreen_small_green_strong); 17833945b21544bc98381df17726a3537c292d8c985Michael Jurka 17933945b21544bc98381df17726a3537c292d8c985Michael Jurka mNormalBackground.setFilterBitmap(true); 18033945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveBackground.setFilterBitmap(true); 18133945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveGlowBackground.setFilterBitmap(true); 18233945b21544bc98381df17726a3537c292d8c985Michael Jurka mNormalBackgroundMini.setFilterBitmap(true); 18333945b21544bc98381df17726a3537c292d8c985Michael Jurka mNormalGlowBackgroundMini.setFilterBitmap(true); 18433945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveBackgroundMini.setFilterBitmap(true); 18533945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveGlowBackgroundMini.setFilterBitmap(true); 186046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 187de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 188046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Initialize the data structures used for the drag visualization. 189150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 190046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsDrawable = res.getDrawable(R.drawable.gardening_crosshairs); 191ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mEaseOutInterpolator = new DecelerateInterpolator(2.5f); // Quint ease out 192de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 193046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up the animation for fading the crosshairs in and out 194046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy int animDuration = res.getInteger(R.integer.config_crosshairsFadeInTime); 19549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy mCrosshairsAnimator = new InterruptibleInOutAnimator(animDuration, 0.0f, 1.0f); 196472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 197046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 198046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsVisibility = ((Float) animation.getAnimatedValue()).floatValue(); 1998e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy invalidate(); 200046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 201046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy }); 202ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mCrosshairsAnimator.getAnimator().setInterpolator(mEaseOutInterpolator); 203046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 2044be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 2054be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlines[i] = new Point(-1, -1); 206046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 207046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 208046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // When dragging things around the home screens, we show a green outline of 209046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // where the item will land. The outlines gradually fade out, leaving a trail 210046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // behind the drag path. 211046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up all the animations that are used to implement this fading. 212046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); 213472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float fromAlphaValue = 0; 214472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float toAlphaValue = (float)res.getInteger(R.integer.config_dragOutlineMaxAlpha); 2154be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2168e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy Arrays.fill(mDragOutlineAlphas, fromAlphaValue); 2174be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2184be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAnims.length; i++) { 219046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final InterruptibleInOutAnimator anim = 220046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); 221ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.getAnimator().setInterpolator(mEaseOutInterpolator); 222046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int thisIndex = i; 223472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 224de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 2254be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap outline = (Bitmap)anim.getTag(); 2264be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // If an animation is started and then stopped very quickly, we can still 2284be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // get spurious updates we've cleared the tag. Guard against this. 2294be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (outline == null) { 230fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (false) { 231fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Object val = animation.getAnimatedValue(); 232fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Log.d(TAG, "anim " + thisIndex + " update: " + val + 233fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy ", isStopped " + anim.isStopped()); 234fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 2354be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Try to prevent it from continuing to run 2364be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato animation.cancel(); 2374be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } else { 238472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mDragOutlineAlphas[thisIndex] = (Float) animation.getAnimatedValue(); 2394be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int left = mDragOutlines[thisIndex].x; 2404be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int top = mDragOutlines[thisIndex].y; 2414be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato CellLayout.this.invalidate(left, top, 2424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left + outline.getWidth(), top + outline.getHeight()); 2434be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 244de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 245de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy }); 2464be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // The animation holds a reference to the drag outline bitmap as long is it's 2474be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // running. This way the bitmap can be GCed when the animations are complete. 248472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addListener(new AnimatorListenerAdapter() { 2493c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka @Override 2504be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato public void onAnimationEnd(Animator animation) { 251472b281d5cb4f5660df981a6c912266b9f5703feChet Haase if ((Float) ((ValueAnimator) animation).getAnimatedValue() == 0f) { 2524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato anim.setTag(null); 2534be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2544be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2554be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato }); 2564be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[i] = anim; 257de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 258ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 25918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect = new Rect(); 26033945b21544bc98381df17726a3537c292d8c985Michael Jurka mGlowBackgroundRect = new Rect(); 26118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 26218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 263bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka 2648c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren = new CellLayoutChildren(context); 2658c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.setCellDimensions( 2668c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mCellWidth, mCellHeight, mLeftPadding, mTopPadding, mWidthGap, mHeightGap); 2678c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka addView(mChildren); 26818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 26918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 27033945b21544bc98381df17726a3537c292d8c985Michael Jurka public void setIsDefaultDropTarget(boolean isDefaultDropTarget) { 27133945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDefaultDropTarget != isDefaultDropTarget) { 27233945b21544bc98381df17726a3537c292d8c985Michael Jurka mIsDefaultDropTarget = isDefaultDropTarget; 27333945b21544bc98381df17726a3537c292d8c985Michael Jurka invalidate(); 27433945b21544bc98381df17726a3537c292d8c985Michael Jurka } 27533945b21544bc98381df17726a3537c292d8c985Michael Jurka } 27633945b21544bc98381df17726a3537c292d8c985Michael Jurka 27733945b21544bc98381df17726a3537c292d8c985Michael Jurka void setIsDragOccuring(boolean isDragOccuring) { 27833945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOccuring != isDragOccuring) { 27933945b21544bc98381df17726a3537c292d8c985Michael Jurka mIsDragOccuring = isDragOccuring; 28033945b21544bc98381df17726a3537c292d8c985Michael Jurka invalidate(); 28133945b21544bc98381df17726a3537c292d8c985Michael Jurka } 28233945b21544bc98381df17726a3537c292d8c985Michael Jurka } 28333945b21544bc98381df17726a3537c292d8c985Michael Jurka 28433945b21544bc98381df17726a3537c292d8c985Michael Jurka void setIsDragOverlapping(boolean isDragOverlapping) { 28533945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOverlapping != isDragOverlapping) { 28633945b21544bc98381df17726a3537c292d8c985Michael Jurka mIsDragOverlapping = isDragOverlapping; 28733945b21544bc98381df17726a3537c292d8c985Michael Jurka invalidate(); 28833945b21544bc98381df17726a3537c292d8c985Michael Jurka } 28933945b21544bc98381df17726a3537c292d8c985Michael Jurka } 29033945b21544bc98381df17726a3537c292d8c985Michael Jurka 29133945b21544bc98381df17726a3537c292d8c985Michael Jurka boolean getIsDragOverlapping() { 29233945b21544bc98381df17726a3537c292d8c985Michael Jurka return mIsDragOverlapping; 29333945b21544bc98381df17726a3537c292d8c985Michael Jurka } 29433945b21544bc98381df17726a3537c292d8c985Michael Jurka 29533945b21544bc98381df17726a3537c292d8c985Michael Jurka private void updateGlowRect() { 29633945b21544bc98381df17726a3537c292d8c985Michael Jurka float marginFraction = (mGlowBackgroundScale - 1.0f) / 2.0f; 29718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (mBackgroundRect.right - mBackgroundRect.left)); 29818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (mBackgroundRect.bottom - mBackgroundRect.top)); 29933945b21544bc98381df17726a3537c292d8c985Michael Jurka mGlowBackgroundRect.set(mBackgroundRect.left - marginX, mBackgroundRect.top - marginY, 30018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.right + marginX, mBackgroundRect.bottom + marginY); 30118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 30218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 30318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 30418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverScale(float scaleFactor) { 30533945b21544bc98381df17726a3537c292d8c985Michael Jurka if (scaleFactor != mGlowBackgroundScale) { 30633945b21544bc98381df17726a3537c292d8c985Michael Jurka mGlowBackgroundScale = scaleFactor; 30733945b21544bc98381df17726a3537c292d8c985Michael Jurka updateGlowRect(); 3088deb1e6a17900253708fad73016db05851b8d822Michael Jurka if (getParent() != null) { 3098deb1e6a17900253708fad73016db05851b8d822Michael Jurka ((View) getParent()).invalidate(); 3108deb1e6a17900253708fad73016db05851b8d822Michael Jurka } 31118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 31218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 31318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 31418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverScale() { 31533945b21544bc98381df17726a3537c292d8c985Michael Jurka return mGlowBackgroundScale; 31618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 31718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 31818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverAlpha() { 31933945b21544bc98381df17726a3537c292d8c985Michael Jurka return mGlowBackgroundAlpha; 32018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 32118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 32218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverAlpha(float alpha) { 32333945b21544bc98381df17726a3537c292d8c985Michael Jurka mGlowBackgroundAlpha = alpha; 32418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 32518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 32618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 32718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka void animateDrop() { 32818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (LauncherApplication.isScreenXLarge()) { 32918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Resources res = getResources(); 33018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float onDropScale = res.getInteger(R.integer.config_screenOnDropScalePercent) / 100.0f; 33118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator scaleUp = ObjectAnimator.ofFloat(this, "hoverScale", onDropScale); 33218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka scaleUp.setDuration(res.getInteger(R.integer.config_screenOnDropScaleUpDuration)); 33318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator scaleDown = ObjectAnimator.ofFloat(this, "hoverScale", 1.0f); 33418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka scaleDown.setDuration(res.getInteger(R.integer.config_screenOnDropScaleDownDuration)); 33518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator alphaFadeOut = ObjectAnimator.ofFloat(this, "hoverAlpha", 0.0f); 33618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 33718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka alphaFadeOut.setStartDelay(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 33818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka alphaFadeOut.setDuration(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 33918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 34018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka AnimatorSet bouncer = new AnimatorSet(); 34118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.play(scaleUp).before(scaleDown); 34218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.play(scaleUp).with(alphaFadeOut); 3438edd75c8bb0729a10cb39f614183e3e9ae4288e8Michael Jurka bouncer.addListener(new AnimatorListenerAdapter() { 3443c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka @Override 34518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void onAnimationStart(Animator animation) { 34633945b21544bc98381df17726a3537c292d8c985Michael Jurka setIsDragOverlapping(true); 34718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 3483c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka @Override 3498edd75c8bb0729a10cb39f614183e3e9ae4288e8Michael Jurka public void onAnimationEnd(Animator animation) { 35033945b21544bc98381df17726a3537c292d8c985Michael Jurka setIsDragOverlapping(false); 35118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 35218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 35318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 35418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka }); 35518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.start(); 35618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 357a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy } 358a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy 359bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka public void disableCacheUpdates() { 3608c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.disableCacheUpdates(); 361bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka } 362bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka 363bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka public void enableCacheUpdates() { 3648c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.enableCacheUpdates(); 365bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka } 366bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka 367a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 3681262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 3693e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're large, we are either drawn in a "hover" state (ie when dragging an item to 3703e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) 3713e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're small, we are either drawn normally or in the "accepts drops" state (during 3723e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a drag). However, we also drag the mini hover background *over* one of those two 3733e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // backgrounds 37426cbf3a0016a19c20f953ccd07242bdf875da0faWinson Chung if (LauncherApplication.isScreenXLarge() && mBackgroundAlpha > 0.0f) { 375f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 37633945b21544bc98381df17726a3537c292d8c985Michael Jurka boolean mini = getScaleX() < 0.5f; 37733945b21544bc98381df17726a3537c292d8c985Michael Jurka 37833945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOverlapping) { 37933945b21544bc98381df17726a3537c292d8c985Michael Jurka // In the mini case, we draw the active_glow bg *over* the active background 38033945b21544bc98381df17726a3537c292d8c985Michael Jurka bg = mini ? mActiveBackgroundMini : mActiveGlowBackground; 38133945b21544bc98381df17726a3537c292d8c985Michael Jurka } else if (mIsDragOccuring && mAcceptsDrops) { 38233945b21544bc98381df17726a3537c292d8c985Michael Jurka bg = mini ? mActiveBackgroundMini : mActiveBackground; 3833af863ba31e293e577c05537c9b8f7dc850a5e56Adam Cohen } else if (mIsDefaultDropTarget && mini) { 3843af863ba31e293e577c05537c9b8f7dc850a5e56Adam Cohen bg = mNormalGlowBackgroundMini; 385f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 38633945b21544bc98381df17726a3537c292d8c985Michael Jurka bg = mini ? mNormalBackgroundMini : mNormalBackground; 387f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 38833945b21544bc98381df17726a3537c292d8c985Michael Jurka 38933945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.setAlpha((int) (mBackgroundAlpha * mBackgroundAlphaMultiplier * 255)); 39033945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.setBounds(mBackgroundRect); 39133945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.draw(canvas); 39233945b21544bc98381df17726a3537c292d8c985Michael Jurka 39333945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mini && mIsDragOverlapping) { 39418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka boolean modifiedClipRect = false; 39533945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mGlowBackgroundScale > 1.0f) { 39618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // If the hover background's scale is greater than 1, we'll be drawing outside 39718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // the bounds of this CellLayout. Get around that by temporarily increasing the 39818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // size of the clip rect 39933945b21544bc98381df17726a3537c292d8c985Michael Jurka float marginFraction = (mGlowBackgroundScale - 1.0f) / 2.0f; 40018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Rect clipRect = canvas.getClipBounds(); 40118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (clipRect.right - clipRect.left)); 40218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (clipRect.bottom - clipRect.top)); 40318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.save(Canvas.CLIP_SAVE_FLAG); 40418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.clipRect(-marginX, -marginY, 40518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka getWidth() + marginX, getHeight() + marginY, Region.Op.REPLACE); 40618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka modifiedClipRect = true; 40718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 40818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 40933945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveGlowBackgroundMini.setAlpha( 41033945b21544bc98381df17726a3537c292d8c985Michael Jurka (int) (mBackgroundAlpha * mGlowBackgroundAlpha * 255)); 41133945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveGlowBackgroundMini.setBounds(mGlowBackgroundRect); 41233945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveGlowBackgroundMini.draw(canvas); 41318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (modifiedClipRect) { 41418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.restore(); 41518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 4163e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 417a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 41831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 419de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 420de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 421de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 422de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 423de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 424de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 425de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 426de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 427de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 428de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 429de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 430de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 431de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int x = getLeftPadding() - (mWidthGap / 2) - (width / 2); 432de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 433de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int y = getTopPadding() - (mHeightGap / 2) - (height / 2); 434de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 435de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 436de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 437de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 438de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 439de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 440de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 441de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 442de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 443de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 444de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 445de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 446de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 447de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 448de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 4494be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 450150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 4518e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy final Paint paint = mDragOutlinePaint; 4524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 453472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float alpha = mDragOutlineAlphas[i]; 4544be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (alpha > 0) { 4554be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Point p = mDragOutlines[i]; 4564be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); 457472b281d5cb4f5660df981a6c912266b9f5703feChet Haase paint.setAlpha((int)(alpha + .5f)); 4584be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato canvas.drawBitmap(b, p.x, p.y, paint); 459150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 4606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 4616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 4626569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 4636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 46483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 46583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 46683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 46783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 46883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 46983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 47083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 47183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 47283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 47383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 47483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 475dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 476dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 477dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 478dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 47931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 480d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 48131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 48331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 484d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 48531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 487aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params) { 488f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka return addViewToCellLayout(child, index, childId, params, true); 489f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka } 490f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka 491f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public boolean addViewToCellLayout( 492f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka View child, int index, int childId, LayoutParams params, boolean markCells) { 493aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 494aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 49531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 49631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 497d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 498aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 499aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 500d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 501d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 502aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 503aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 50431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5058c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.addView(child, index, lp); 506dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 507f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka if (markCells) markCellsAsOccupiedForView(child); 5080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 509aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 510aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 511aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 51231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 5133e7c7634531302271270c8cf418abc959d621cbcMichael Jurka 514bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka public void setAcceptsDrops(boolean acceptsDrops) { 515bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka if (mAcceptsDrops != acceptsDrops) { 516bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka mAcceptsDrops = acceptsDrops; 517bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka invalidate(); 518bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka } 519bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka } 520bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka 5213e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public boolean getAcceptsDrops() { 5223e7c7634531302271270c8cf418abc959d621cbcMichael Jurka return mAcceptsDrops; 5233e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 52431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 52531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 5260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 5270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 5288c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeAllViews(); 5290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 5330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 5348c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeAllViewsInLayout(); 5350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 537f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public void removeViewWithoutMarkingCells(View view) { 5388c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViewWithoutMarkingCells(view); 539f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka } 540f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka 5410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 5430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 5448c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeView(view); 5450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 5498c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka markCellsAsUnoccupiedForView(mChildren.getChildAt(index)); 5508c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViewAt(index); 5510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 5550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 5568c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViewInLayout(view); 5570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 5610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 5628c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka markCellsAsUnoccupiedForView(mChildren.getChildAt(i)); 5630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5648c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViews(start, count); 5650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 5690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 5708c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka markCellsAsUnoccupiedForView(mChildren.getChildAt(i)); 5710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5728c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViewsInLayout(start, count); 5730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5758c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka public void drawChildren(Canvas canvas) { 5768c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.draw(canvas); 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 57931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 58031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 58131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 58231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 58331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 585af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 587af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final Rect frame = mRect; 588af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 589af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 5908c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka final int count = mChildren.getChildCount(); 59131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 592af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 593af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 5948c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka final View child = mChildren.getChildAt(i); 595af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 596af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if ((child.getVisibility()) == VISIBLE || child.getAnimation() != null) { 597af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 598af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 599af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 600af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 601af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 602af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 603af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 604af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 605af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.valid = true; 606af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 607af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 610af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 611aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 612af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 6136569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int cellXY[] = mTmpCellXY; 614af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 616af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 617af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 618af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 619af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 620af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 6210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellInfo.valid = cellXY[0] >= 0 && cellXY[1] >= 0 && cellXY[0] < mCountX && 6220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] < mCountY && !mOccupied[cellXY[0]][cellXY[1]]; 623af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 624af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 625af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 627af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 628af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 629dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 630dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 631dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 632af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int action = ev.getAction(); 633af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final CellInfo cellInfo = mCellInfo; 63431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 635af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 636af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 63731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (action == MotionEvent.ACTION_UP) { 63831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cell = null; 63931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellX = -1; 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellY = -1; 64131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanX = 0; 64231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanY = 0; 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.valid = false; 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setTag(cellInfo); 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 6520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6556569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 656aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 65731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 65931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 66031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 66131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 662aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 663aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 668d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 669d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 67331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 676aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 67731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 67931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 68031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 68131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 68231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 68331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 68431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 68531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 68631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 68731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 68831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 689aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 690aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 69131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 692aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 69331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 69431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 69531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 696aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 697aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 69831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 69931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 70031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 70131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 70384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 70484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 70584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 70684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 70784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 70884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 70984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 71084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 7111a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getLeftPadding() { 712aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mLeftPadding; 7131a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7141a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7151a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getTopPadding() { 716aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mTopPadding; 7171a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7181a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7191a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getRightPadding() { 720aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mRightPadding; 7211a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7221a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7231a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getBottomPadding() { 724aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mBottomPadding; 7251a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7261a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 72831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 730aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 732aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 733aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 736aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 73731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 73831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 744d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 745d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 746d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 747ece7f5b3b55cab646941123e03589241a61678e2Winson Chung if (mWidthGap < 0 || mHeightGap < 0) { 748ece7f5b3b55cab646941123e03589241a61678e2Winson Chung int vSpaceLeft = heightSpecSize - mTopPadding - mBottomPadding - (cellHeight * mCountY); 749ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mHeightGap = vSpaceLeft / numHeightGaps; 750d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 751ece7f5b3b55cab646941123e03589241a61678e2Winson Chung int hSpaceLeft = widthSpecSize - mLeftPadding - mRightPadding - (cellWidth * mCountX); 752ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mWidthGap = hSpaceLeft / numWidthGaps; 753aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 754ece7f5b3b55cab646941123e03589241a61678e2Winson Chung // center it around the min gaps 755ece7f5b3b55cab646941123e03589241a61678e2Winson Chung int minGap = Math.min(mWidthGap, mHeightGap); 756ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mWidthGap = mHeightGap = minGap; 757ece7f5b3b55cab646941123e03589241a61678e2Winson Chung } 7585f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 7598c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka // Initial values correspond to widthSpecMode == MeasureSpec.EXACTLY 7608c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int newWidth = widthSpecSize; 7618c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int newHeight = heightSpecSize; 7628c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 7638c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka newWidth = mLeftPadding + mRightPadding + (mCountX * cellWidth) + 7648c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka ((mCountX - 1) * mWidthGap); 7658c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka newHeight = mTopPadding + mBottomPadding + (mCountY * cellHeight) + 7668c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka ((mCountY - 1) * mHeightGap); 7678c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka setMeasuredDimension(newWidth, newHeight); 7688c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka } 76931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7708c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int count = getChildCount(); 77131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 77231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 7738c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(newWidth, MeasureSpec.EXACTLY); 7748c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(newHeight, 775aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung MeasureSpec.EXACTLY); 77631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 77731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 7788c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka setMeasuredDimension(newWidth, newHeight); 77931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 78131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 78228750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 78331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 78431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 7858c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka View child = getChildAt(i); 7868c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka child.layout(0, 0, r - l, b - t); 78731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 78831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 78931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 79031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 791dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 792dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 79318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.set(0, 0, w, h); 79433945b21544bc98381df17726a3537c292d8c985Michael Jurka updateGlowRect(); 795dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 796dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 797dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 79831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 7998c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.setChildrenDrawingCacheEnabled(enabled); 80031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 80331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 8048c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.setChildrenDrawnWithCacheEnabled(enabled); 80531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8075f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 8085f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 809dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 810dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8111b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen public void setBackgroundAlphaMultiplier(float multiplier) { 8121b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen mBackgroundAlphaMultiplier = multiplier; 8131b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen } 8141b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen 815ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen public float getBackgroundAlphaMultiplier() { 816ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen return mBackgroundAlphaMultiplier; 817ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen } 818ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen 8195f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 8205f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundAlpha = alpha; 8210142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka invalidate(); 822dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 823dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8245f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // Need to return true to let the view system know we know how to handle alpha-- this is 8255f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // because when our children have an alpha of 0.0f, they are still rendering their "dimmed" 8265f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // versions 8275f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka @Override 8285f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka protected boolean onSetAlpha(int alpha) { 8295f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return true; 8305f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 8315f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 8325f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setAlpha(float alpha) { 8335f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setChildrenAlpha(alpha); 8345f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.setAlpha(alpha); 8355f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 8365f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 837dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private void setChildrenAlpha(float alpha) { 8380142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 8390142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 840dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 841dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 842dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 843dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 844440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 8458c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka return mChildren.getChildAt(x, y); 846440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 847440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 8486569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 8496569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 8506569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 8516569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 8526569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 8536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 8546569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 8556569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 8566569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 8576569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 858d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 859d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 8606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 861a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 862a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 863a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 8646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8656569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 8666569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 8676569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 8686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 8696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 8716569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 8726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 8736569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 8746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 8766569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8784be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato void visualizeDropLocation( 8794be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato View v, Bitmap dragOutline, int originX, int originY, int spanX, int spanY) { 8804be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 88108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellX = mDragCell[0]; 88208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellY = mDragCell[1]; 8834be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int[] nearest = findNearestVacantArea(originX, originY, spanX, spanY, v, mDragCell); 884a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v != null) { 885a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX + (v.getWidth() / 2), originY + (v.getHeight() / 2)); 886a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } else { 887a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX, originY); 888a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 8896569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 89008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy if (nearest != null && (nearest[0] != oldDragCellX || nearest[1] != oldDragCellY)) { 8916569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 892de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 893de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy cellToPoint(nearest[0], nearest[1], topLeft); 894de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 8954be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int left = topLeft[0]; 8964be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int top = topLeft[1]; 8976569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 898a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v != null) { 899a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v.getParent() instanceof CellLayout) { 900a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung LayoutParams lp = (LayoutParams) v.getLayoutParams(); 901a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung left += lp.leftMargin; 902a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung top += lp.topMargin; 903a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 904150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 905a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung // Offsets due to the size difference between the View and the dragOutline 906a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung left += (v.getWidth() - dragOutline.getWidth()) / 2; 907a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung top += (v.getHeight() - dragOutline.getHeight()) / 2; 908a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 909150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 9104be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int oldIndex = mDragOutlineCurrent; 91108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[oldIndex].animateOut(); 91208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; 913150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 91408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlines[mDragOutlineCurrent].set(left, top); 91508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); 91608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateIn(); 9176569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 91849250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy 91949250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy // If we are drawing crosshairs, the entire CellLayout needs to be invalidated 92049250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy if (mCrosshairsDrawable != null) { 92149250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy invalidate(); 92249250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy } 9236569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9246569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 92531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 92670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 92770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 928aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 92951afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 93051afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 93170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 93270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 933de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 934de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 93570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 93670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 93731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 9386a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 939de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, int[] result) { 940de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 9416a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 942aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 9436a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 9446a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 9456a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 9466a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 9476a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 9486a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 9496a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 9506a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 9516a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param ignoreView Considers space occupied by this view as unoccupied 952de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Previously returned value to possibly recycle. 9536a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 9546a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 9556a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 9566a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 957de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 958c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 959c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 960c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 96170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 962de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 96370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 964aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 965de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 966de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 967de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final boolean[][] occupied = mOccupied; 968de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 969bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int y = 0; y < countY - (spanY - 1); y++) { 970c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 971bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int x = 0; x < countX - (spanX - 1); x++) { 972c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int i = 0; i < spanX; i++) { 973c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int j = 0; j < spanY; j++) { 974de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (occupied[x + i][y + j]) { 975bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung // small optimization: we can skip to after the column we just found 976c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // an occupied cell 977bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung x += i; 978c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka continue inner; 979c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 980c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 981c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 982c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka final int[] cellXY = mTmpCellXY; 983c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka cellToPoint(x, y, cellXY); 984c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 985c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 986c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 987c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka if (distance <= bestDistance) { 988c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 989c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 990c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 991c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 99231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 994c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 995c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 99631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 997aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // Return null if no suitable location found 99870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (bestDistance < Double.MAX_VALUE) { 99970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return bestXY; 100070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } else { 100170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 100270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 100331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1004aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 10050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 10060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 10070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 10110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 10120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 10130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 10140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 10160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 10170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 10180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 10190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 10210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 10230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null); 10240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 10280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 10300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 10310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 10320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 10330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 10340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 10350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 10370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, ignoreView); 10380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 10420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 10430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 10450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 10460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 10470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 10480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 10490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 10510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 10530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 10540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 10550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY, spanX, spanY, intersectX, intersectY, null); 10560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 10600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 10620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY, View ignoreView) { 1063c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1064c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 10650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 106628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 10670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 10680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 10690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 10700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 10710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 10730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 10740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 10750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 10770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 10780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 10790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 10810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 10820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 10830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1085bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int y = startY; y < endY && !foundCell; y++) { 10860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 1087bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int x = startX; x < endX; x++) { 10880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 10890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 10900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (mOccupied[x + i][y + j]) { 1091bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung // small optimization: we can skip to after the column we just found 10920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 1093bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung x += i; 10940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 10950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 10990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 11000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 11010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 110228750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 110328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 11040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 11070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 11080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 11090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 11100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 11110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 11120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 11130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 11140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1117c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1118c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 111928750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 11200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 112231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 11246569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 11250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 11264be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // This can actually be called when we aren't in a drag, e.g. when adding a new 11274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // item to this layout via the customize drawer. 11284be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Guard against that case. 11294be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mDragging) { 11304be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = false; 11316569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Fade out the drag indicators 11334be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mCrosshairsAnimator != null) { 11344be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mCrosshairsAnimator.animateOut(); 11354be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 11364be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 113708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 113808ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy // Invalidate the drag data 113908ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[0] = -1; 114008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[1] = -1; 114108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateOut(); 114208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (mDragOutlineCurrent + 1) % mDragOutlineAnims.length; 114308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 114433945b21544bc98381df17726a3537c292d8c985Michael Jurka setIsDragOverlapping(false); 11456569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11466569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11476569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 1148aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 1149de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 1150ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * screen, but it is re-parented before this method is called. 115131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 115231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 115331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1154d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka void onDropChild(View child, boolean animate) { 1155d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 1156d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1157d94533d04a5f8f5485f106d10af60169857ea899Romain Guy lp.isDragging = false; 115884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 1159d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka lp.animateDrop = animate; 1160e3887cc4ec3cebda2333298e56a35acb49ccdf13Patrick Dubroy child.setVisibility(animate ? View.INVISIBLE : View.VISIBLE); 1161d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 1162d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 116331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 116431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 116531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 116631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Start dragging the specified child 1167aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 116831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dragged 116931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 117031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDragChild(View child) { 117131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 117231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.isDragging = true; 1173de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 1174de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1175de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy /** 1176de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * A drag event has begun over this layout. 1177de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * It may have begun over this layout (in which case onDragChild is called first), 1178de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * or it may have begun on another layout. 1179de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy */ 1180a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung void onDragEnter() { 1181fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (!mDragging) { 1182fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy // Fade in the drag indicators 1183fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (mCrosshairsAnimator != null) { 1184fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy mCrosshairsAnimator.animateIn(); 1185fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 11864be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 11874be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = true; 118831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1189aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 119031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 119131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 1192aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 119331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 119431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 1195aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 119631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 11976569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 119831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 11996569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF resultRect) { 120031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 120131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 120231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 120331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 1204aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1205aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 1206aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 1207aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 120831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 120931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 121031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 121231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 1213aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 12146569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 121531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1216aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 121731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1218aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 121931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 1220aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 122131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 122231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 12238f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 122431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12258f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 12269987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 12279987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 12289987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 12299987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 123279e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 123379e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 123579e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 123731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX = (width + smallerSize) / smallerSize; 123831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY = (height + smallerSize) / smallerSize; 123979e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 12408f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 12418f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 12428f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 12438f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 12448f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 12458f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 124631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1248f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka public int[] cellSpansToSize(int hSpans, int vSpans) { 1249f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka int[] size = new int[2]; 1250f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka size[0] = hSpans * mCellWidth + (hSpans - 1) * mWidthGap; 1251f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka size[1] = vSpans * mCellHeight + (vSpans - 1) * mHeightGap; 1252f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka return size; 1253f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka } 1254f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka 125531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1256047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy * Calculate the grid spans needed to fit given item 1257047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy */ 1258047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy public void calculateSpans(ItemInfo info) { 1259047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy final int minWidth; 1260047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy final int minHeight; 1261047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy 1262047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy if (info instanceof LauncherAppWidgetInfo) { 1263047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minWidth = ((LauncherAppWidgetInfo) info).minWidth; 1264047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minHeight = ((LauncherAppWidgetInfo) info).minHeight; 1265047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } else if (info instanceof PendingAddWidgetInfo) { 1266047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minWidth = ((PendingAddWidgetInfo) info).minWidth; 1267047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minHeight = ((PendingAddWidgetInfo) info).minHeight; 1268047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } else { 1269047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy // It's not a widget, so it must be 1x1 1270047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanX = info.spanY = 1; 1271047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy return; 1272047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } 1273047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy int[] spans = rectToCell(minWidth, minHeight, null); 1274047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanX = spans[0]; 1275047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanY = spans[1]; 1276047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } 1277047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy 1278047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy /** 127931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 128131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 128231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 1284aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 128631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 128731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 128831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 129031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 129231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 129631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 129731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 129931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 130131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 130231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 130631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 130731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 130831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 130931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 131431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 13170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 13180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 13190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 132031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 132131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 132331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void onMove(View view, int newCellX, int newCellY) { 13250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 13270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(newCellX, newCellY, lp.cellHSpan, lp.cellVSpan, true); 13280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 132931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsOccupiedForView(View view) { 13318c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (view == null || view.getParent() != mChildren) return; 13320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, true); 13340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 13360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsUnoccupiedForView(View view) { 13378c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (view == null || view.getParent() != mChildren) return; 13380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); 13400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 13420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean value) { 13430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 13440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 13450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = value; 134631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 135031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 135131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 135231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 135331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 135431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 135531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 135631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 135731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 135831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 135931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 136031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 136131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 136231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 136331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1365aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 1366aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 1367aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 1368aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1369aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1370aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 1371aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 1372aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 1373aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1374aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1375aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 137631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 137731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 137831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 137931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 138031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 138131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 138231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 138331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 138431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 138531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 138631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 138731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 138831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 138931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 139031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 139131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 139231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 139331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 139431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 139531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 139631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 139731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 139831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 139931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 1400aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 140131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 140231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Is this item currently being dragged 140331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 140431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean isDragging; 140531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 140631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 140731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 140831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 140931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 141031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 141131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 141231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1413ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy /** 1414ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * The old X coordinate of this item, relative to its current parent. 1415ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * Used to animate the item into its new position. 1416ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy */ 1417ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy int oldX; 1418ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 1419ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy /** 1420ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * The old Y coordinate of this item, relative to its current parent. 1421ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * Used to animate the item into its new position. 1422ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy */ 1423ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy int oldY; 1424ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 142584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 1426fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 1427d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka boolean animateDrop; 1428d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka 142931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 143031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 143131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 143231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 143331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 143431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 143531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 143631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 143731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 143831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 143931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1440aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1441aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 1442aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 1443aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 1444aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 1445aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 1446aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 1447aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1448aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 144931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 14508f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 145131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 145231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 145331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 145431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 145531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 145631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 145731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap, 145831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int hStartPadding, int vStartPadding) { 1459aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 146031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellHSpan = cellHSpan; 146131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellVSpan = cellVSpan; 146231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellX = cellX; 146331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellY = cellY; 1464aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 146531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 146631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project leftMargin - rightMargin; 146731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 146831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project topMargin - bottomMargin; 146931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 147031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin; 147131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin; 147231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1473aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1474aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 1475aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 1476aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 147731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 147831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 14800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 14810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 14820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 14830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 14840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 148531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static final class CellInfo implements ContextMenu.ContextMenuInfo { 148631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 1487a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 1488a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 148931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 149031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 149131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 149231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean valid; 149331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 149431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 149531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 1496aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 1497aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 149831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 149931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 150031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1501